20197338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 48722688

約数和(自身を除く): 28525350

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 41, 42, 74, 82, 111, 123, 222, 246, 259, 287, 317, 518, 574, 634, 777, 861, 951, 1517, 1554, 1722, 1902, 2219, 3034, 4438, 4551, 6657, 9102, 10619, 11729, 12997, 13314, 21238, 23458, 25994, 31857, 35187, 38991, 63714, 70374, 77982, 82103, 90979, 164206, 181958, 246309, 272937, 480889, 492618, 545874, 961778, 1442667, 2885334, 3366223, 6732446, 10098669, 20197338]

約数ペア:

[(1, 20197338), (2, 10098669), (3, 6732446), (6, 3366223), (7, 2885334), (14, 1442667), (21, 961778), (37, 545874), (41, 492618), (42, 480889), (74, 272937), (82, 246309), (111, 181958), (123, 164206), (222, 90979), (246, 82103), (259, 77982), (287, 70374), (317, 63714), (518, 38991), (574, 35187), (634, 31857), (777, 25994), (861, 23458), (951, 21238), (1517, 13314), (1554, 12997), (1722, 11729), (1902, 10619), (2219, 9102), (3034, 6657), (4438, 4551)]